Cutting roller mechanism for paper product die-cutting machine

Through the design of the limiting device and the adjusting device, the problems of paper deviation and inflexible position of the die-cutting knife in the paper die-cutting machine are solved, the precise positioning of the paper and the stable adjustment of the die-cutting knife are achieved, and the cutting accuracy and the applicability of the equipment are improved.

CN223326577UActive Publication Date: 2025-09-12WEIFANG GREAT WALL PRECISION MACHINERY CO LTD
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Patent Information

Application Number
CN202422735558.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-09-12
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

The cutting roller mechanism of existing paper die-cutting machines lacks a flexible limiting mechanism, which causes the paper to easily shift during transportation, and the position adjustment of the die-cutting knife is not flexible, affecting the cutting accuracy and the scope of application of the equipment.

Method used

A cutting roller mechanism including a limiting device and an adjusting device is designed. The limiting device realizes precise limiting of paper through a movable frame, a sliding rod and a limiting frame. The adjusting device realizes flexible adjustment and stable locking of the die-cutting knife through a die-cutting knife, a control sleeve and a locking mechanism.

Benefits of technology

It ensures the stability of paper during transportation, improves cutting accuracy and equipment flexibility, reduces the impact of equipment vibration on the position of the die cutter, and reduces scrap rate and production costs.

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Abstract

The utility model discloses a cutting roller mechanism for a paper product die-cutting machine, which comprises a fixing frame, a limiting device arranged on the fixing frame, a mounting frame arranged on one side of the fixing frame, and an adjusting device mounted on the mounting frame, the adjusting device comprises a die-cutting knife, a control sleeve, a movable sleeve, a release groove, a release sleeve, a clamping plate, a movable spring, a movable block, a release block and a release plate, the die cutter is connected to one end of the moving sleeve, the releasing groove is spirally formed in the outer side of the releasing sleeve, the clamping plate is connected with the moving block through the moving spring, the releasing block is arranged on the inner side of the releasing plate, the releasing plate is connected to one side of the control sleeve, and the locking mechanism is arranged on the outer side of the moving sleeve. The locking mechanism comprises a matching sleeve, a matching hole, a locking sleeve, a matching rod, a connecting block, a matching spring and a return stroke block, the matching hole is formed in the matching sleeve, the matching rod is connected to one side of the locking sleeve, and the two ends of the matching spring are connected with the connecting block and the return stroke block.
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Description

Technical Field

[0001] The utility model relates to the technical field of a cutting roller mechanism for a paper die-cutting machine, and more particularly to a cutting roller mechanism for a paper die-cutting machine. Background Art

[0002] In the existing paper die-cutting machine technology, the design of the cutting roller mechanism has some limitations, which affect the performance and scope of application of the die-cutting machine. First, the existing die-cutting machine device structure is usually relatively simple and lacks a flexible limiting mechanism. This means that when conveying paper, it is impossible to accurately limit it according to the width of the paper, causing the paper to easily deviate left and right during the conveying process. This deviation not only affects the cutting accuracy, but may also cause paper damage or increase the scrap rate, thereby adversely affecting production efficiency and product quality.

[0003] Secondly, in the existing technology, the position adjustment of the die-cutter is not flexible enough. The position of the die-cutter is usually fixed and cannot be flexibly adjusted according to different paper sizes and cutting requirements. This design limits the flexibility of the equipment, making the equipment unable to adapt to the cutting of paper of different specifications and types, thereby limiting the scope of application of the equipment. In addition, the fixed position of the die-cutter may also cause over-cutting or under-cutting during the cutting process, affecting the quality and appearance of the product.

[0004] In addition, although some equipment uses some devices to achieve flexible adjustment of the die-cutting knife position, the structure of these devices is relatively simple and the mechanism is not perfect. This design makes the device unstable and easily affected by factors such as equipment vibration, resulting in loose structure. When the device becomes loose, the adjusted die-cutting knife position is prone to change, further affecting the cutting accuracy and product quality. This instability and variability brings inconvenience and risks to the production process, and increases production costs and scrap rates. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the problems existing in the prior art, the utility model provides a cutting roller mechanism for a paper die-cutting machine to solve the technical problems mentioned in the background technology.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting roller mechanism for a paper die-cutting machine, comprising a fixed frame, characterized in that: a limiting device is provided on the fixed frame, a mounting frame is provided on one side of the fixed frame, an adjustment device is installed on the mounting frame, the adjustment device comprises a die-cutting knife, a control sleeve, a movable sleeve, a release groove, a release sleeve, a clamping plate, a movable spring, a movable block, a release block and a release plate, the die-cutting knife is fixedly connected to one end of the movable sleeve, the control sleeve is rotatably sleeved on the outside of the movable sleeve, the release groove is spirally opened on the outside of the release sleeve, the clamping plate is connected to the movable block through a movable spring, the release block It is arranged in a spiral shape on the inner side of the release plate, and the release block is slidably arranged in the release groove. The release plate is fixedly connected to one side of the control sleeve. A locking mechanism is provided on the outside of the movable sleeve. The locking mechanism includes a matching sleeve, a matching hole, a locking sleeve, a matching rod, a connecting block, a matching spring and a return block. The matching sleeve is rotatably sleeved on the outside of the movable sleeve, the matching hole is opened on the matching sleeve, and the locking sleeve is slidably sleeved on the outside of the movable sleeve. The matching rod is fixedly connected to one side of the locking sleeve, and the connecting block is fixedly connected to the outside of the movable sleeve. The two ends of the matching spring are respectively connected to the connecting block and the return block, and the return block is fixedly connected to one side of the matching sleeve.

[0009] The utility model is further configured such that a die-cutting roller and a conveying roller are detachably provided on the inner side of the mounting frame, the conveying roller is rotatably installed on the inner side of the mounting frame, a sliding groove is provided on the inner side of the mounting frame, a sliding frame is slidably provided in the sliding groove, both ends of the die-cutting roller are rotatably installed in the sliding frame, and the movable sleeve is movably installed on the outer side of the die-cutting roller.

[0010] The utility model is further configured such that a screw is connected to the top end of the sliding frame, the screw is movably connected to the mounting frame via a thread, and a hand wheel is fixedly connected to the top end of the screw.

[0011] The utility model is further configured such that a guide groove is provided on the inner side of the release sleeve, one end of the movable block is connected with a guide block, the guide block is slidably arranged in the guide groove, and both the guide block and the guide groove are designed as inclined structures.

[0012] The utility model is further configured such that a locking rod is slidingly provided on the side wall of the control sleeve, one end of the locking rod is connected to a reset spring, one end of the locking rod is connected to the outer wall of the control sleeve through the reset spring, a plurality of locking grooves are opened on the outside of the movable sleeve, and the other end of the locking rod is inserted into the locking groove. The above components improve the locking mechanism and ensure the stability of the fixation.

[0013] The utility model is further configured such that a push spring is provided on the outer sleeve of the mating rod, the push spring is connected to one side of the locking sleeve, and the other end of the push spring is in contact connection with the mating sleeve. The configuration of the push spring further simplifies the operation process.

[0014] The utility model is further configured as follows: the limiting device includes a movable frame, a sliding rod, a limiting frame and a sliding groove; the bottom end of the limiting frame is connected to the movable frame through the sliding groove; the sliding groove is opened on the fixed frame; the sliding rod is detachably mounted on the inner side of the fixed frame; the movable frame is slidingly connected to the sliding rod; the setting of the limiting device can flexibly limit the paper according to the width of the paper.

[0015] The utility model is further configured such that a reduction motor is detachably provided on the outside of the fixed frame, a lead screw is connected to the output end of the reduction motor, the movable frame is movably connected to the lead screw through threads, and opposite threads are symmetrically provided at both ends of the lead screw. The configuration of the above components ensures the stable and synchronous movement of the two limit frames.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the present invention provides a cutting roller mechanism for a paper die-cutting machine, which has the following beneficial effects:

[0018] 1. The limit device ensures that the paper maintains the correct position during transportation and prevents the paper from shifting left or right through the cooperation of components such as the movable frame, slide rod, limit frame and slide groove. The beneficial effects of this device are reflected in the following aspects: First, it can accurately limit the paper according to the width of the paper to ensure the stability of the paper during transportation; second, the sliding design of the limit device makes it simple and quick to adjust the paper position, thereby improving work efficiency.

[0019] 2. The adjustment device realizes flexible adjustment of the position of the die-cutter through the coordinated work of components such as the die-cutter, control sleeve, movable sleeve, release groove, release sleeve, clamping plate, movable spring, movable block, release block and release plate. Its beneficial effects include: first, the adjustment device can accurately adjust the position of the die-cutter according to the thickness of the paper and cutting requirements, thereby improving the cutting accuracy and efficiency; second, through the design of components such as the release groove and release sleeve, the position of the die-cutter can be quickly released and repositioned, thereby increasing the flexibility of the equipment.

[0020] 3. The locking mechanism achieves stable locking of the die-cutting knife position through the cooperation of components such as the matching sleeve, matching hole, locking sleeve, matching rod, connecting block, matching spring and return block. Its beneficial effects include: first, the locking mechanism can ensure that the position of the die-cutting knife after adjustment will not be easily changed due to factors such as equipment vibration and movement, thereby improving the stability and consistency of cutting; second, the design of components such as the matching sleeve and matching rod makes the locking process simple and quick, reducing the operation time; in addition, the use of components such as the matching spring and return block enhances the automatic reset function of the locking mechanism, further improving the operating convenience of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a cutting roller mechanism for a paper die-cutting machine in the present invention;

[0022] Figure 2 It is a schematic cross-sectional view of the structure of the present invention;

[0023] Figure 3 It is a cross-sectional structural diagram of the adjustment device and the locking mechanism in the present invention;

[0024] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure at A in the middle;

[0025] Figure 5 for Figure 3 A schematic diagram of the local enlarged structure at point B in the middle;

[0026] Figure 6 It is a structural diagram of the adjustment device and locking mechanism in the utility model.

[0027] In the figure: 1. Fixed frame; 2. Mounting frame; 3. Die-cutting knife; 4. Control sleeve; 5. Moving sleeve; 6. Release groove; 7. Release sleeve; 8. Clamping plate; 9. Moving spring; 10. Moving block; 11. Release block; 12. Release plate; 13. Matching sleeve; 14. Matching hole; 15. Locking sleeve; 16. Matching rod; 17. Connecting block; 18. Matching spring; 19. Return block; 20. Die-cutting roller; 21. Conveyor roller; 22. Sliding groove; 23. Sliding frame; 24. Screw; 25. Handwheel; 26. Guide groove; 27. Guide block; 28. Locking rod; 29. ​​Return spring; 30. Locking groove; 31. Push spring; 32. Movable frame; 33. Slide rod; 34. Limiting frame; 35. Slide groove; 36. Reducer motor; 37. Lead screw. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0030] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0031] See also Figures 1-6 A cutting roller mechanism for a paper die-cutting machine includes a fixed frame 1, which is characterized in that: a limiting device is provided on the fixed frame 1, a mounting frame 2 is provided on one side of the fixed frame 1, an adjustment device is installed on the mounting frame 2, the adjustment device includes a die-cutting knife 3, a control sleeve 4, a movable sleeve 5, a release groove 6, a release sleeve 7, a clamping plate 8, a movable spring 9, a movable block 10, a release block 11 and a release plate 12, the die-cutting knife 3 is fixedly connected to one end of the movable sleeve 5, the control sleeve 4 is rotatably sleeved on the outside of the movable sleeve 5, the release groove 6 is spirally opened on the outside of the release sleeve 7, the clamping plate 8 is connected to the movable block 10 through the movable spring 9, the release block 11 is spirally arranged on the inner side of the release plate 12, and the release block 11 is slidably arranged in the release groove 6, the release plate 12 is fixedly connected to one side of the control sleeve 4, and a locking mechanism is arranged on the outside of the movable sleeve 5. The locking mechanism includes a matching sleeve 13, a matching hole 14, a locking sleeve 15, a matching rod 16, a connecting block 17, a matching spring 18 and a return block 19. The matching sleeve 13 is rotatably sleeved on the outside of the movable sleeve 5, the matching hole 14 is opened on the matching sleeve 13, the locking sleeve 15 is slidably sleeved on the outside of the movable sleeve 5, the matching rod 16 is fixedly connected to one side of the locking sleeve 15, the connecting block 17 is fixedly connected to the outside of the movable sleeve 5, the two ends of the matching spring 18 are respectively connected to the connecting block 17 and the return block 19, and the return block 19 is fixedly connected to one side of the matching sleeve 13.

[0032] The inner side of the mounting frame 2 is detachably provided with a die-cutting roller 20 and a conveying roller 21. The conveying roller 21 is rotatably installed on the inner side of the mounting frame 2. A sliding groove 22 is opened on the inner side of the mounting frame 2. A sliding frame 23 is slidably provided in the sliding groove 22. Both ends of the die-cutting roller 20 are rotatably installed in the sliding frame 23. The movable sleeve 5 is movably installed on the outer side of the die-cutting roller 20.

[0033] A screw rod 24 is connected to the top of the sliding frame 23 , and the screw rod 24 is movably connected to the mounting frame 2 through a thread. A hand wheel 25 is fixedly connected to the top of the screw rod 24 .

[0034] A guide groove 26 is provided inside the release sleeve 7 , and a guide block 27 is connected to one end of the moving block 10 . The guide block 27 is slidably disposed in the guide groove 26 , and both the guide block 27 and the guide groove 26 are designed as inclined structures.

[0035] A locking rod 28 is slidingly provided on the side wall of the control sleeve 4, and a return spring 29 is connected to one end of the locking rod 28. One end of the locking rod 28 is connected to the outer wall of the control sleeve 4 through the return spring 29. A plurality of locking grooves 30 are opened on the outside of the movable sleeve 5, and the other end of the locking rod 28 is inserted into the locking groove 30.

[0036] A push spring 31 is sleeved on the outer side of the matching rod 16 . The push spring 31 is connected to one side of the locking sleeve 15 , and the other end of the push spring 31 is in contact connection with the matching sleeve 13 .

[0037] In this embodiment, when it is necessary to adjust the position of the die-cutting knife 3 according to the thickness of the paper, the two hand wheels 25 are rotated synchronously, so that the hand wheel 25 drives the screw rod 24 connected at one end to rotate. Since the screw rod 24 and the mounting frame 2 are movably connected through a thread, the screw rod 24 will then drive the sliding frame 23 to slide along the sliding groove 22, so that the sliding frame 23 drives the die-cutting roller 20 installed on the inside to move up and down, thereby changing the distance between the die-cutting roller 20 and the corresponding conveying roller 21. When the distance between the die-cutting roller 20 and the corresponding conveying roller 21 is adapted to the paper thickness, stop rotating the hand wheel 25. When it is necessary to adjust the cutting width of the paper, first rotate the matching sleeve 13. The matching sleeve 13 will drive the matching hole 14 opened to rotate, and the matching sleeve 13 will drive the return stroke The block 19 rotates, and then the return block 19 will cooperate with the connecting block 17 to squeeze the matching spring 18. When the matching spring 18 is squeezed to the limit, the matching hole 14 just moves to the position corresponding to the matching rod 16, and then pushes the locking sleeve 15. The locking sleeve 15 will drive the matching rod 16 to slide and make the matching rod 16 pass through the matching hole 14. At the same time, the locking sleeve 15 will cooperate with the matching sleeve 13 to squeeze the push spring 31 set on the outside of the matching rod 16. When the push spring 31 is squeezed to the limit, the inner wall of the locking sleeve 15 no longer limits the outer end of the locking rod 28. Then rotate the control sleeve 4. The control sleeve 4 will drive the locking rod 28 slidingly set on the side wall to rotate, and then the side wall of the locking groove 30 squeezes one end of the locking rod 28. Due to the edge of the side wall of the locking groove 30 and the end of the locking rod 28 The rounded corners of the upper part are processed, and then one end of the locking rod 28 will slide out of the locking groove 30, and the other end of the locking rod 28 will drive the reset spring 29 to stretch. At the same time, the control sleeve 4 will drive the release block 11 to rotate through the release plate 12 set on one side. Since the release block 11 is slidably set in the release groove 6, and the release groove 6 is a spiral structure design, then the release sleeve 7 will drive the guide groove 26 opened on the inner side to slide. Since the guide groove 26 and the guide block 27 are both inclined structural designs, and the guide block 27 is slidably set in the guide groove 26, when the guide groove 26 follows the guide sleeve to slide, the guide block 27 will drive the moving block 10 to slide outward, and then the movement of the moving block 10 will cause the moving spring 9 to gradually reset, and then when the moving spring 9 is completely reset, the moving spring 9 It will drive the clamping plate to move outward so that the inner side of the clamping plate no longer contacts the outer side of the die-cutting roller 20. Then, the positions of the two movable sleeves 5 can be adjusted respectively, so that the movable sleeve 5 drives the die-cutting knife 3 to move. When the two die-cutting knives 3 move to the corresponding positions, the control sleeve 4 is rotated in the opposite direction, so that the control sleeve 4 drives the release plate 12 connected to one side and the release block 11 arranged on the inner side thereof to rotate again. Due to the cooperation between the release block 11 and the release groove 6, the release sleeve 7 will drive the guide groove 26 to slide and reset, and then the guide block 27 will drive the moving block 10 to move inward for sliding and resetting, and then the inner wall of the clamping plate will contact the outer side of the die-cutting roller 20 again, and then the moving block 10 continues to move, and then the moving block 10 will squeeze the moving spring 9, so that the moving spring 9 is compressed.Thereby, the clamping plate clamps the die-cutting roller 20. When the moving block 10, the moving spring 9 and the clamping plate cooperate to completely clamp the die-cutting roller 20, the reset spring 29 just drives the locking rod 28 to reset, so that one end of the locking rod 28 is reinserted into the original locking groove 30, the locking sleeve 15 is loosened, and the push spring 31 pushes the locking sleeve 15 to reset, and then the locking sleeve 15 will drive the matching rod 16 to slide and reset. When the push spring 31 is completely reset, the matching rod 16 no longer limits the matching sleeve 13 through the matching hole 14, and then the matching spring 18 will push the return block 19 After the return block 19 is reset, the mating sleeve 13 is driven to reset, and the mating sleeve 13 drives the mating hole 14 to a position that does not correspond to the mating rod 16. The mating rod 16 and the mating sleeve 13 then cooperate to form a stable support for the locking sleeve 15, preventing the locking sleeve 15 from moving. The locking sleeve 15 then stably limits the locking rod 28 to prevent the locking rod 28 from moving. The locking rod 28 and the locking groove 30 then cooperate to limit the control sleeve 4 to prevent the control sleeve 4 from rotating, thereby ensuring structural stability and thus ensuring the stable installation of the die cutter 3.

[0038] See also Figure 1-Figure 3 , as an implementation method of the limiting device: the limiting device includes a movable frame 32, a sliding rod 33, a limiting frame 34 and a sliding groove 35. The bottom end of the limiting frame 34 passes through the sliding groove 35 and is connected to the movable frame 32. The sliding groove 35 is opened on the fixed frame 1. The sliding rod 33 is detachably installed on the inner side of the fixed frame 1. The movable frame 32 is slidably connected to the sliding rod 33.

[0039] A reduction motor 36 is detachably provided on the outside of the fixed frame 1 , and a lead screw 37 is connected to the output end of the reduction motor 36 . The movable frame 32 is movably connected to the lead screw 37 through threads, and opposite threads are symmetrically provided at both ends of the lead screw 37 .

[0040] More specifically, when the device needs to be used, the position of the limit frame 34 must be adjusted according to the paper width. First, the reduction motor 36 installed on one side of the fixed frame 1 is turned on and operated. Then the reduction motor 36 drives the lead screw 37 to rotate. Since the movable frame 32 is movably connected to the lead screw 37 through a thread, and the movable frame 32 and the slide rod 33 are slidably connected, the slide rod 33 forms a limit for the movable frame 32. Then the movable frame 32 will slide along the slide rod 33, and at the same time, the slide frame 23 will drive the limit frame 34 to slide along the slide groove 35. Since both ends of the lead screw 37 are movably connected The symmetrical arrangement of opposite threads allows the two limit frames 34 to move inward synchronously. When the distance between the two limit frames 34 matches the width of the paper, the reduction motor 36 can be turned off, and then the position of the die-cutting knife 3 is adjusted. Then, the external paper feeding mechanism is turned on to transport the paper to the top of the fixed frame 1, and then the die-cutting roller 20 and the conveying roller 21 are driven to rotate by the external driving device, so that the paper passes between the die-cutting roller 20 and the corresponding conveying roller 21 installed on the inner side of the mounting frame 2, so that the paper is cut by the die-cutting knife 3 installed on the outer side of the die-cutting roller 20.

[0041] In summary, when the overall equipment is in use or running: when it is necessary to adjust the position of the die-cutting knife 3 according to the thickness of the paper, the two hand wheels 25 are rotated synchronously, so that the hand wheel 25 drives the screw rod 24 connected at one end to rotate. Since the screw rod 24 and the mounting frame 2 are movably connected by a thread, the screw rod 24 will then drive the sliding frame 23 to slide along the sliding groove 22, so that the sliding frame 23 drives the die-cutting roller 20 installed on the inside to move up and down, thereby changing the distance between the die-cutting roller 20 and the corresponding conveying roller 21. When the distance between the die-cutting roller 20 and the corresponding conveying roller 21 is adapted to the paper thickness, stop rotating the hand wheel 25. When it is necessary to adjust the cutting width of the paper, first rotate the matching sleeve 13. The matching sleeve 13 will drive the matching hole 14 opened to rotate, and the matching sleeve 13 will drive the matching hole 14 opened to rotate. The matching sleeve 13 will drive the return block 19 to rotate, and then the return block 19 will cooperate with the connecting block 17 to squeeze the matching spring 18. When the matching spring 18 is squeezed to the limit, the matching hole 14 just moves to the position corresponding to the matching rod 16, and then pushes the locking sleeve 15. The locking sleeve 15 will drive the matching rod 16 to slide and make the matching rod 16 pass through the matching hole 14. At the same time, the locking sleeve 15 will cooperate with the matching sleeve 13 to squeeze the push spring 31 set on the outside of the matching rod 16. When the push spring 31 is squeezed to the limit, the inner wall of the locking sleeve 15 no longer limits the outer end of the locking rod 28. Then rotate the control sleeve 4. The control sleeve 4 will drive the locking rod 28 slidingly set on the side wall to rotate, and then the side wall of the locking groove 30 squeezes one end of the locking rod 28. Due to the side wall of the locking groove 30 The edges and the end of the locking rod 28 are rounded, and then one end of the locking rod 28 will slide out of the locking groove 30, and the other end of the locking rod 28 will drive the reset spring 29 to stretch. At the same time, the control sleeve 4 will drive the release block 11 to rotate through the release plate 12 set on one side. Since the release block 11 is slidably set in the release groove 6, and the release groove 6 is a spiral structure design, then the release sleeve 7 will drive the guide groove 26 opened on the inner side to slide. Since the guide groove 26 and the guide block 27 are both inclined structural designs, and the guide block 27 is slidably set in the guide groove 26, when the guide groove 26 follows the guide sleeve to slide, the guide block 27 will drive the moving block 10 to slide outward, and then the movement of the moving block 10 will cause the moving spring 9 to gradually reset, and then when the moving spring 9 After fully resetting, the moving spring 9 will drive the clamping plate to move outward, so that the inner side of the clamping plate no longer contacts the outer side of the die-cutting roller 20, and then the positions of the two moving sleeves 5 can be adjusted respectively, so that the moving sleeve 5 drives the die-cutting knife 3 to move. When the two die-cutting knives 3 move to the corresponding positions, the control sleeve 4 is rotated in the opposite direction, so that the control sleeve 4 drives the release plate 12 connected to one side and the release block 11 set on the inner side thereof to rotate again. Due to the cooperation between the release block 11 and the release groove 6, the release sleeve 7 will drive the guide groove 26 to slide and reset, and then the guide block 27 will drive the moving block 10 to move inward for sliding and resetting, and then the inner wall of the clamping plate will contact the outer side of the die-cutting roller 20 again, and then the moving block 10 will continue to move, and then the moving block 10 will squeeze the moving spring 9.The moving spring 9 is compressed, so that the clamping plate clamps the die-cutting roller 20. When the moving block 10, the moving spring 9 and the clamping plate cooperate to completely clamp the die-cutting roller 20, the reset spring 29 just drives the locking rod 28 to reset, so that one end of the locking rod 28 is reinserted into the original locking groove 30, the locking sleeve 15 is loosened, and the push spring 31 pushes the locking sleeve 15 to reset, and then the locking sleeve 15 will drive the matching rod 16 to slide and reset. When the push spring 31 is completely reset, the matching rod 16 no longer limits the matching sleeve 13 through the matching hole 14, and then the matching spring 18 will push The return block 19 is reset, and then the return block 19 drives the matching sleeve 13 to reset. The matching sleeve 13 then drives the matching hole 14 to a position that does not correspond to the matching rod 16. The matching rod 16 and the matching sleeve 13 then cooperate to form a stable support for the locking sleeve 15, preventing the locking sleeve 15 from moving. The locking sleeve 15 then stably limits the locking rod 28 to prevent the locking rod 28 from moving. The locking rod 28 then cooperates with the locking groove 30 to limit the control sleeve 4, preventing the control sleeve 4 from rotating, thereby ensuring structural stability and thus ensuring the stable installation of the die cutter 3.

[0042] When the device needs to be used, the position of the limit frame 34 must be adjusted according to the paper width. First, the reduction motor 36 installed on one side of the fixed frame 1 is turned on and operated. Then the reduction motor 36 drives the screw 37 to rotate. Since the movable frame 32 is movably connected to the screw 37 through a thread, and the movable frame 32 and the slide rod 33 are slidingly connected, the slide rod 33 forms a limit for the movable frame 32. Then the movable frame 32 will slide along the slide rod 33, and at the same time, the slide frame 23 will drive the limit frame 34 to slide along the slide groove 35. Since the two ends of the screw rod 37 are symmetrically arranged The two limit frames 34 are arranged to have opposite threads so that the two limit frames 34 will move inward synchronously. When the distance between the two limit frames 34 matches the width of the paper, the reduction motor 36 can be turned off, and then the position of the die-cutting knife 3 is adjusted. Then, the external paper feeding mechanism is turned on to transport the paper to the top of the fixed frame 1, and then the die-cutting roller 20 and the conveying roller 21 are driven to rotate by the external driving device, so that the paper passes between the die-cutting roller 20 and the corresponding conveying roller 21 installed on the inner side of the mounting frame 2, so that the paper is cut by the die-cutting knife 3 installed on the outer side of the die-cutting roller 20.

[0043] In all the schemes mentioned above, the connection between the two components can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be listed here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A cutting roller mechanism for a paper die-cutting machine, comprising a fixed frame (1), characterized in that: A limiting device is provided on the fixed frame (1), a mounting frame (2) is provided on one side of the fixed frame (1), and an adjustment device is installed on the mounting frame (2), wherein the adjustment device comprises a die-cutting knife (3), a control sleeve (4), a movable sleeve (5), a release groove (6), a release sleeve (7), a clamping plate (8), a movable spring (9), a movable block (10), a release block (11) and a release plate (12), wherein the die-cutting knife (3) is connected to one end of the movable sleeve (5), the release groove (6) is spirally opened on the outside of the release sleeve (7), the clamping plate (8) is connected to the movable block (10) through the movable spring (9), and the release block (11) is arranged on the release plate (12). ) inside, the release plate (12) is connected to one side of the control sleeve (4), and a locking mechanism is provided on the outside of the movable sleeve (5), the locking mechanism comprising a matching sleeve (13), a matching hole (14), a locking sleeve (15), a matching rod (16), a connecting block (17), a matching spring (18) and a return block (19), the matching sleeve (13) is sleeved on the outside of the movable sleeve (5), the matching hole (14) is opened on the matching sleeve (13), the locking sleeve (15) is sleeved on the outside of the movable sleeve (5), the matching rod (16) is connected to one side of the locking sleeve (15), and the two ends of the matching spring (18) are respectively connected to the connecting block (17) and the return block (19).

2. The cutting roller mechanism for a paper die-cutting machine according to claim 1, characterized in that: The inside of the mounting frame (2) is detachably provided with a die-cutting roller (20) and a conveying roller (21); the conveying roller (21) is rotatably mounted on the inside of the mounting frame (2); a sliding groove (22) is provided on the inside of the mounting frame (2); a sliding frame (23) is slidably provided in the sliding groove (22); both ends of the die-cutting roller (20) are rotatably mounted in the sliding frame (23); and the movable sleeve (5) is movably mounted on the outside of the die-cutting roller (20).

3. The cutting roller mechanism for a paper die-cutting machine according to claim 2, characterized in that: The top end of the sliding frame (23) is connected with a screw rod (24), the screw rod (24) is movably connected to the mounting frame (2) through a thread, and the top end of the screw rod (24) is fixedly connected with a hand wheel (25).

4. The cutting roller mechanism for a paper die-cutting machine according to claim 1, characterized in that: A guide groove (26) is provided on the inner side of the release sleeve (7), and a guide block (27) is connected to one end of the moving block (10). The guide block (27) is slidably arranged in the guide groove (26), and both the guide block (27) and the guide groove (26) are designed as inclined structures.

5. The cutting roller mechanism for a paper die-cutting machine according to claim 1, characterized in that: The side wall of the control sleeve (4) is slidably provided with a locking rod (28), one end of the locking rod (28) is connected with a return spring (29), one end of the locking rod (28) is connected to the outer wall of the control sleeve (4) through the return spring (29), and a plurality of locking grooves (30) are opened on the outer side of the movable sleeve (5), and the other end of the locking rod (28) is inserted into the locking groove (30).

6. The cutting roller mechanism for a paper die-cutting machine according to claim 5, characterized in that: The outer side of the matching rod (16) is provided with a push spring (31), the push spring (31) is connected to one side of the locking sleeve (15), and the other end of the push spring (31) is in contact connection with the matching sleeve (13).

7. A cutting roller mechanism for a paper die-cutting machine according to any one of claims 1 to 6, characterized in that: The limiting device comprises a movable frame (32), a slide rod (33), a limiting frame (34) and a slide groove (35); the bottom end of the limiting frame (34) passes through the slide groove (35) and is connected to the movable frame (32); the slide groove (35) is provided on the fixed frame (1); the slide rod (33) is detachably mounted on the inner side of the fixed frame (1); and the movable frame (32) is slidably connected to the slide rod (33).

8. The cutting roller mechanism for a paper die-cutting machine according to claim 7, characterized in that: A reduction motor (36) is detachably provided on the outside of the fixed frame (1), and a lead screw (37) is connected to the output end of the reduction motor (36). The movable frame (32) is movably connected to the lead screw (37) through a thread, and opposite threads are symmetrically provided at both ends of the lead screw (37).